<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initialscale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
</head>

<body>
  <div id="app">
    <!-- 1、简单的列表渲染 -->
    <ul>
      <li v-for="n in 10">{{ n }} </li>
    </ul>
    <ul>
      <!-- 如果想获取索引，则使用index关键字，注意，圆括号中的index必须放在后面 -->
      <li v-for="(n, index) in 5">{{ n }} - {{ index }} </li>
    </ul>

    <!-- 2、遍历数据列表 -->
    <table border="1">
      <!-- <tr v-for="item in userList"></tr> -->
      <tr v-for="(item, index) in userList">
        <td>{{index}}</td>
        <td>{{item.id}}</td>
        <td>{{item.username}}</td>
        <td>{{item.age}}</td>
      </tr>
    </table>
  </div>
  <script src="vue.min.js"></script>
  <script>
    new Vue({
      el: '#app',
      data: {
        userList: [{
            id: 1,
            username: 'helen',
            age: 18
          },
          {
            id: 2,
            username: 'peter',
            age: 28
          },
          {
            id: 3,
            username: 'andy',
            age: 38
          }
        ]
      }
    })
  </script>
</body>

</html>